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Working out in artificial gravity

Astronauts on the International Space Station (ISS) have a number of exercise options, including a mechanical bicycle bolted to the floor, a weightlifting machine strapped to the wall, and a strap-down treadmill. ...

date7 hours ago in Space Exploration
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What is a terrestrial planet?

In studying our solar system over the course of many centuries, astronomers learned a great deal about the types of planets that exist in our universe. This knowledge has since expanded thanks to the discovery ...

date6 hours ago in Space Exploration
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Rosetta spacecraft sees sinkholes on comet

The European Space Agency's Rosetta spacecraft first began orbiting comet 67P/Churyumov-Gerasimenko in August 2014. Almost immediately, scientists began to wonder about several surprisingly deep, almost perfectly ...

dateJul 01, 2015 in Space Exploration
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Radar guards against space debris

Space debris poses a growing threat to satellites and other spacecraft, which could be damaged in the event of a collision. A new German space surveillance system, schedu- led to go into operation in 2018, will help to prevent ...

dateJul 01, 2015 in Space Exploration
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Helping Europe prepare for asteroid risk

Each year, astronomers worldwide discover over 1000 new asteroids or other space rocks that could strike our planet. And if one is spotted heading towards Earth, experts working in ESA and national emergency ...

dateJul 01, 2015 in Space Exploration
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Image: Increasingly active Comet 67P

On 13 August 2015, Comet 67P/Churyumov–Gerasimenko will reach its closest point to the Sun along its 6.5-year long orbit. It will be around 185 million km from the Sun at 'perihelion', between the orbits ...

dateJul 01, 2015 in Space Exploration
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Image: Spirals in Saturn's D Ring

Although the D ring of Saturn is so thin that it's barely noticeable compared to the rest of the ring system, it still displays structures seen in other Saturnian rings. Here the spiral structures in the ...

dateJun 30, 2015 in Space Exploration
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New plan proposed to send humans to Mars

A new, cost-constrained U.S. strategy to send humans on Mars, could be achieved within projected NASA budgets by minimizing new developments and relying mainly on already available or planned NASA assets. ...

Up, up and away, in the name of science education

US researchers extol the virtues of high-altitude balloons for science education in a research paper published in the International Journal of Learning Technology. According to Jeremy Straub of the University of North Dakota ...

SOFIA points telescope toward Pluto occultation

The Stratosphere Observatory for Infrared Astronomy (SOFIA) is a modified Boeing 747SP aircraft that makes celestial observations with its German-built 100-inch telescope. The telescope is enhanced to collect ...

Image: Watching meteors from the space station

stronaut Ron Garan, Expedition 28 flight engineer, tweeted this image from the International Space Station in August, 2011 with the following caption: "What a `Shooting Star' looks like from space, taken ...

A brief history of nukes in space

In just a few short weeks, NASA's New Horizons spacecraft will make its historic flyby of Pluto and its moons. Solar panels are unable to operate in the dim nether regions of the outer solar system, and instead, ...

Under-ice rover chills with fish at aquatic exhibit

A school of sardines fluttered by as giant leafy kelp swayed back and forth at the California Science Center in Los Angeles on Monday, June 22. At the bottom of this 188,000-gallon aquatic tank, a bright ...

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